2 files changed, 3 insertions, 3 deletions
diff --git a/tools/skycpt/KmpSearch.cpp b/tools/skycpt/KmpSearch.cpp
index c70a0a77d8..4f561ba309 100644
--- a/tools/skycpt/KmpSearch.cpp
+++ b/tools/skycpt/KmpSearch.cpp
@@ -92,7 +92,7 @@ __declspec(naked) void __fastcall KmpSearch::init(const char *subStr) {
 	}
 }
 
-__declspec(naked) char * __fastcall KmpSearch::search(const char *str) {
+__declspec(naked) const char * __fastcall KmpSearch::search(const char *str) {
 	__asm {
 		push esi
 		push edi
@@ -160,7 +160,7 @@ void __fastcall KmpSearch::init(const char *subStr) {
 	strcpy(_subStr, subStr);
 }
 
-char * __fastcall KmpSearch::search(const char *str) {
+const char * __fastcall KmpSearch::search(const char *str) {
 	return strstr(str, _subStr);
 }
 
diff --git a/tools/skycpt/KmpSearch.h b/tools/skycpt/KmpSearch.h
index ddf151046b..97ec1ca7c8 100644
--- a/tools/skycpt/KmpSearch.h
+++ b/tools/skycpt/KmpSearch.h
@@ -30,7 +30,7 @@
 class KmpSearch {
 public:
 	void __fastcall init(const char *subStr);
-	char * __fastcall search(const char *str);
+	const char * __fastcall search(const char *str);
 //private:
 	char _retarget[256], _subStr[256];
 	unsigned long _strLen;